.login::after{
  content: "";
  width:100%;
  height:100%;
  position: absolute;
  left:0;
  top:0;
  background: inherit;
  filter: blur(2px);
}
.login{
  width: 100vw;
  height: 100vh;
  background: url(https://overwatch.nosdn.127.net/2/media/Wallpapers/Halloween_Terror/2560x1440.jpg) no-repeat center;
  background-size: cover;
  overflow: hidden;
  
  .login-form{
    width: 50%;
    height: 50%;
    background-color: transparent;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    display: flex;
    flex-direction: row;
    z-index: 100;
    justify-content: space-between;

    .form-box{
      position: absolute;
      display: flex;
      align-items: center;
      width: 40%;
      height: 100%;
      background-color: rgba(207, 205, 202, 0.3);
    }
    .img-box{
      position: absolute;
      height: 100%;
      width: 40%;
      background: white;
      transition: transform 1s ease-in-out;
      z-index: 99;
    }
    .move-left{
      position: absolute;
      height: 100%;
      top: 0;
      width: 40%;
      background: white;
      z-index: 99;
      animation: anmiteToLeft 1s;
      &::after{
        content: "";
        display: block;
        background: url(https://overwatch.nosdn.127.net/2/media/Wallpapers/Halloween_Terror/2560x1440.jpg) no-repeat;
        background-size: 60vw 50vh;
        background-position: top left;
        width: 100%;
        height: 100%;
        overflow: hidden;
        transition: all 1s ease-in-out;
      }
    }
    .to-left {
      animation: anmiteToLeft 1s;
    }
    .to-right {
      right: 0;
      animation: anmiteToRight 1s;
    }
    .move-right{
      position: absolute;
      height: 100%;
      top: 0;
      right: 0;
      width: 40%;
      background: white;
      z-index: 99;
      animation: anmiteToRight 1s;
      &::after {
        content: "";
        display: block;
        background: url(https://overwatch.nosdn.127.net/2/media/Wallpapers/Halloween_Terror/2560x1440.jpg) no-repeat;
        background-size: 60vw 50vh;
        background-position: top right;
        width: 100%;
        height: 100%;
        overflow: hidden;
        transition: all 1s ease-in-out;
      }
    }
  }
}

@keyframes anmiteToLeft {
  0% {
    right: 0;
  }
  100% {
    right: 60%;
  }
}

@keyframes anmiteToRight {
  0% {
    right: 60%;
  }
  100% {
    right: 0;
  }
}